JLS tackle the banker on 'Deal Or No Deal': Watch preview clip

JLS have scored No.1 records, won countless awards and have become one of Britain's most successful modern boybands. But they may just top the lot this weekend when they take on the Deal Or No Deal banker.

Aston, JB, Marvin and Oritse aren't intimidated by the show's notorious villain and end up laughing about the banker's voice. Watch below:

Host Noel Edmonds also challenges the boyband to a special contest that may show a new side to the veteran TV presenter. Watch below: